The Nitrate Radical

The Nitrate Radical PDF Author: Richard P. Wayne
Publisher:
ISBN: 9782872630486
Category : Atmospheric chemistry
Languages : en
Pages : 206

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Book Description

The Nitrate Radical

The Nitrate Radical PDF Author: Richard P. Wayne
Publisher:
ISBN: 9782872630486
Category : Atmospheric chemistry
Languages : en
Pages : 206

Get Book Here

Book Description


The Nitrate Radical : Physics, Chemistry, and the Atmosphere

The Nitrate Radical : Physics, Chemistry, and the Atmosphere PDF Author:
Publisher:
ISBN:
Category : Atmospheric chemistry
Languages : en
Pages : 206

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Book Description


The Chemistry of Nitrate Radical (NO3) and Dinitrogen Pentoxide (N2O5) in Beijing

The Chemistry of Nitrate Radical (NO3) and Dinitrogen Pentoxide (N2O5) in Beijing PDF Author: Haichao Wang
Publisher: Springer Nature
ISBN: 9811587957
Category : Science
Languages : en
Pages : 129

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Book Description
This book systematically describes the instrument setup for the measurement of nitrate radical (NO3) and dinitrogen pentoxide (N2O5), as well as the mixing ratio, chemical behaviors, and atmospheric impacts of NO3 and N2O5 in Beijing, China. It also discusses the instrument design and data analysis method in detail. Based on several field measurements of NO3 and N2O5 in Beijing, it shows the variation in concentration and the budget of NO3 and N2O5. The N2O5 heterogeneous uptake coefficient was determined using various methods, and the relationship between the N2O5 uptake coefficient and the particle properties was demonstrated, as well as the impact of NO3–N2O5 chemistry to the atmospheric oxidation and the formation of particulate nitrate. These results increase our understanding of nighttime chemistry and provide insights into the role of NO3–N2O5 chemistry in other polluted regions.

Atmospheric Chemistry and Physics

Atmospheric Chemistry and Physics PDF Author: John H. Seinfeld
Publisher: John Wiley & Sons
ISBN: 111922117X
Category : Science
Languages : en
Pages : 2077

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Book Description
Expanded and updated with new findings and new features New chapter on Global Climate providing a self-contained treatment of climate forcing, feedbacks, and climate sensitivity New chapter on Atmospheric Organic Aerosols and new treatment of the statistical method of Positive Matrix Factorization Updated treatments of physical meteorology, atmospheric nucleation, aerosol-cloud relationships, chemistry of biogenic hydrocarbons Each topic developed from the fundamental science to the point of application to real-world problems New problems at an introductory level to aid in classroom teaching

Volatile Organic Compounds in the Atmosphere

Volatile Organic Compounds in the Atmosphere PDF Author: Ralf Koppmann
Publisher: John Wiley & Sons
ISBN: 0470994150
Category : Science
Languages : en
Pages : 512

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Book Description
Every day, large quantities of volatile organic compounds (VOCs) are emitted into the atmosphere from both anthropogenic and natural sources. The formation of gaseous and particulate secondary products caused by oxidation of VOCs is one of the largest unknowns in the quantitative prediction of the earth’s climate on a regional and global scale, and on the understanding of local air quality. To be able to model and control their impact, it is essential to understand the sources of VOCs, their distribution in the atmosphere and the chemical transformations which remove these compounds from the atmosphere. In recent years techniques for the analysis of organic compounds in the atmosphere have been developed to increase the spectrum of detectable compounds and their detection limits. New methods have been introduced to increase the time resolution of those measurements and to resolve more complex mixtures of organic compounds. Volatile Organic Compounds in the Atmosphere describes the current state of knowledge of the chemistry of VOCs as well as the methods and techniques to analyse gaseous and particulate organic compounds in the atmosphere. The aim is to provide an authoritative review to address the needs of both graduate students and active researchers in the field of atmospheric chemistry research.

The Application of Cavity Ring-down Spectroscopy to Determine Nitrate Radical Concentrations in the Atmosphere

The Application of Cavity Ring-down Spectroscopy to Determine Nitrate Radical Concentrations in the Atmosphere PDF Author: Eric Michael Dick
Publisher:
ISBN:
Category : Atmospheric chemistry
Languages : en
Pages : 218

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Book Description
"The nitrate radical, NO3, is a potent atmospheric oxidant. Current NO3 measurement methods average NO3 concentrations over several kilometer pathlengths. Recent modeling studies predict that NO3's distribution is vertically inhomogenous, causing previous NO3 observations to not be representative of its atmospheric chemistry. In-situ measurements offer a test of these modeling predictions and a better understanding of NO3 chemistry. In this thesis, we describe construction of an instrument capable of detecting NO3 in-situ. This sensor is based upon cavity ring-down spectroscopy. Our initial work demonstrated that CRDS could sensitively detect NO3. We then built and tested a field prototype during June 2001, successfully detecting NO3 in the field. CRDS observations were compared to path averaged NO3 observations. Similar time behavior of both signals indicated that the techniques were observing NO3. A consistent difference in signal levels indicated that the two techniques were not sampling a homogeneous air mass"--Leaf iii.

Chemistry of the Climate System

Chemistry of the Climate System PDF Author: Detlev Möller
Publisher: Walter de Gruyter
ISBN: 3110228351
Category : Science
Languages : en
Pages : 741

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Book Description
Climate change is one of the biggest challenges facing the modern world. The chemistry of the air within the framework of the climate system forms the main focus of this monograph. This problem-based approach to presenting global atmospheric processes begins with the chemical evolution of the climate system in order to evaluate the effects of changing air composition as well as possibilities for interference within these processes. Chemical interactions of the atmosphere with the biosphere and hydrosphere are treated in the sense of a multi-phase chemistry. From the perspective of a "chemical climatology" the book offers an approach to solving the problem of climate change through chemistry.

Introduction to Atmospheric Chemistry

Introduction to Atmospheric Chemistry PDF Author: Daniel J. Jacob
Publisher: Princeton University Press
ISBN: 0691001855
Category : Nature
Languages : en
Pages : 280

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Book Description
Atmospheric chemistry is one of the fastest growing fields in the earth sciences. Until now, however, there has been no book designed to help students capture the essence of the subject in a brief course of study. Daniel Jacob, a leading researcher and teacher in the field, addresses that problem by presenting the first textbook on atmospheric chemistry for a one-semester course. Based on the approach he developed in his class at Harvard, Jacob introduces students in clear and concise chapters to the fundamentals as well as the latest ideas and findings in the field. Jacob's aim is to show students how to use basic principles of physics and chemistry to describe a complex system such as the atmosphere. He also seeks to give students an overview of the current state of research and the work that led to this point. Jacob begins with atmospheric structure, design of simple models, atmospheric transport, and the continuity equation, and continues with geochemical cycles, the greenhouse effect, aerosols, stratospheric ozone, the oxidizing power of the atmosphere, smog, and acid rain. Each chapter concludes with a problem set based on recent scientific literature. This is a novel approach to problem-set writing, and one that successfully introduces students to the prevailing issues. This is a major contribution to a growing area of study and will be welcomed enthusiastically by students and teachers alike.

Chemical Processes in Atmospheric Oxidation

Chemical Processes in Atmospheric Oxidation PDF Author: Georges Le Bras
Publisher: Springer Science & Business Media
ISBN: 3642592163
Category : Science
Languages : en
Pages : 316

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Book Description
Oxidation and removal of atmospheric constituents involve complex sequences of reactions which can lead to the production of photo-oxidants such as ozone. In order to understand and model these complex reaction sequences, it is necessary to have a comprehensive understanding of reaction mechanisms and accurate estimates of kinetic parameters for relevant gas-phase atmospheric reactions. This book presents recent advances in the field and includes the following topics: e.g. the oxidation of simple organic compounds, NOx kinetics and mechanisms, OH radical production and rate constants for the OH attack on more complex organic compounds, peroxy and alkoxy radical reactions, photo-oxidation of aromatic and biogenic compounds, and the interaction between radical species.

Global Aspects of Atmospheric Chemistry

Global Aspects of Atmospheric Chemistry PDF Author:
Publisher: Springer Science & Business Media
ISBN: 9783798511279
Category : Science
Languages : en
Pages : 354

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Book Description
Atmospheric Chemistry has been a rapidly growing field with a recent focus on the major aspects of global environmental change, including stratospheric ozone depletion, UV-B change, and global warming. This book describes recent developments in our understanding of the global aspects of the chemistry in the main parts of the atmosphere, troposphere, and stratosphere, as obtained from field observations, laboratory investigations, and modeling studies. Although this chemistry is largely driven by reactions between gas phase species, recent progress made in the understanding of chemical reactions occuring in clouds and on the surface of aerosols is also reported.